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Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_init): * ext/audioresample/gstaudioresample.c: * ext/bz2/gstbz2dec.c: (gst_bz2dec_init): * ext/bz2/gstbz2enc.c: (gst_bz2enc_init): * ext/divx/gstdivxdec.c: (gst_divxdec_init): * ext/divx/gstdivxenc.c: (gst_divxenc_init): * ext/faac/gstfaac.c: (gst_faac_init): * ext/gsm/gstgsmdec.c: (gst_gsmdec_init): * ext/gsm/gstgsmenc.c: (gst_gsmenc_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_init): * ext/libfame/gstlibfame.c: (gst_fameenc_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_init): * ext/spc/gstspc.c: (gst_spc_dec_init): * ext/swfdec/gstswfdec.c: (gst_swfdec_init): * ext/xvid/gstxvidenc.c: (gst_xvidenc_init): * gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_init): * gst/chart/gstchart.c: (gst_chart_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_init): * gst/festival/gstfestival.c: (gst_festival_init): * gst/freeze/gstfreeze.c: (gst_freeze_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_request_new_pad): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init): * gst/nsf/gstnsf.c: (gst_nsfdec_init): * gst/overlay/gstoverlay.c: (gst_overlay_init): * gst/passthrough/gstpassthrough.c: (passthrough_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_init): * gst/smooth/gstsmooth.c: (gst_smooth_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_init): * gst/speed/gstspeed.c: (speed_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_init): * gst/videodrop/gstvideodrop.c: (gst_videodrop_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_init): Fix leaks.
362 lines
9.8 KiB
C
362 lines
9.8 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2003> David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstoverlay.h"
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#include <gst/video/video.h>
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/* elementfactory information */
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static const GstElementDetails overlay_details =
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GST_ELEMENT_DETAILS ("Video overlay",
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"Filter/Editor/Video",
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"Overlay multiple video streams",
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"David Schleef <ds@schleef.org>");
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static GstStaticPadTemplate overlay_src_factory =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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);
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static GstStaticPadTemplate overlay_sink1_factory =
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GST_STATIC_PAD_TEMPLATE ("sink1",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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);
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static GstStaticPadTemplate overlay_sink2_factory =
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GST_STATIC_PAD_TEMPLATE ("sink2",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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);
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static GstStaticPadTemplate overlay_sink3_factory =
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GST_STATIC_PAD_TEMPLATE ("sink3",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
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);
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/* OVERLAY signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0
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};
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static void gst_overlay_class_init (GstOverlayClass * klass);
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static void gst_overlay_base_init (GstOverlayClass * klass);
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static void gst_overlay_init (GstOverlay * overlay);
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static void gst_overlay_loop (GstElement * element);
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static void gst_overlay_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_overlay_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_overlay_signals[LAST_SIGNAL] = { 0 }; */
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static GType
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gst_overlay_get_type (void)
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{
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static GType overlay_type = 0;
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if (!overlay_type) {
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static const GTypeInfo overlay_info = {
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sizeof (GstOverlayClass),
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(GBaseInitFunc) gst_overlay_base_init,
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NULL,
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(GClassInitFunc) gst_overlay_class_init,
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NULL,
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NULL,
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sizeof (GstOverlay),
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0,
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(GInstanceInitFunc) gst_overlay_init,
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};
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overlay_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstOverlay", &overlay_info,
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0);
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}
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return overlay_type;
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}
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static void
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gst_overlay_base_init (GstOverlayClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&overlay_sink1_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&overlay_sink2_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&overlay_sink3_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&overlay_src_factory));
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gst_element_class_set_details (element_class, &overlay_details);
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}
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static void
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gst_overlay_class_init (GstOverlayClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_overlay_set_property;
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gobject_class->get_property = gst_overlay_get_property;
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}
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#if 0
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static GstCaps *
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gst_overlay_getcaps (GstPad * pad)
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{
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GstCaps *caps;
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GstOverlay *overlay;
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overlay = GST_OVERLAY (gst_pad_get_parent (pad));
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if (overlay->width && overlay->height) {
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caps = GST_STATIC_CAPS ("overlay_sink2",
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"video/raw",
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"format", GST_TYPE_FOURCC (GST_MAKE_FOURCC ('I', '4', '2', '0')),
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"width", G_TYPE_INT (overlay->width),
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"height", G_TYPE_INT (overlay->height)
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);
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} else {
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caps = GST_STATIC_CAPS ("overlay_sink2",
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"video/raw",
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"format", GST_TYPE_FOURCC (GST_MAKE_FOURCC ('I', '4', '2', '0')),
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"width", G_TYPE_INT_RANGE (0, 4096),
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"height", G_TYPE_INT_RANGE (0, 4096)
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);
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}
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return caps;
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}
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#endif
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static gboolean
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gst_overlay_sinkconnect (GstPad * pad, const GstCaps * caps)
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{
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GstOverlay *overlay;
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GstStructure *structure;
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overlay = GST_OVERLAY (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_int (structure, "width", &overlay->width);
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gst_structure_get_int (structure, "height", &overlay->height);
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gst_structure_get_double (structure, "framerate", &overlay->framerate);
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/* forward to the next plugin */
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return gst_pad_try_set_caps (overlay->srcpad, caps);
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}
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static void
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gst_overlay_init (GstOverlay * overlay)
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{
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overlay->sinkpad1 =
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gst_pad_new_from_static_template (&overlay_sink1_factory, "sink1");
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gst_pad_set_link_function (overlay->sinkpad1, gst_overlay_sinkconnect);
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gst_element_add_pad (GST_ELEMENT (overlay), overlay->sinkpad1);
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overlay->sinkpad2 =
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gst_pad_new_from_static_template (&overlay_sink2_factory, "sink2");
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gst_pad_set_link_function (overlay->sinkpad2, gst_overlay_sinkconnect);
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gst_element_add_pad (GST_ELEMENT (overlay), overlay->sinkpad2);
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overlay->sinkpad3 =
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gst_pad_new_from_static_template (&overlay_sink3_factory, "sink3");
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gst_pad_set_link_function (overlay->sinkpad3, gst_overlay_sinkconnect);
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gst_element_add_pad (GST_ELEMENT (overlay), overlay->sinkpad3);
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overlay->srcpad =
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gst_pad_new_from_static_template (&overlay_src_factory, "src");
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gst_element_add_pad (GST_ELEMENT (overlay), overlay->srcpad);
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gst_element_set_loop_function (GST_ELEMENT (overlay), gst_overlay_loop);
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}
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static void
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gst_overlay_blend_i420 (guint8 * out, guint8 * in1, guint8 * in2, guint8 * in3,
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gint width, gint height)
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{
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int mask;
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int i, j;
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guint8 *in1u, *in1v, *in2u, *in2v, *outu, *outv;
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int lumsize;
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int chromsize;
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int width2 = width / 2;
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int height2 = height / 2;
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lumsize = width * height;
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chromsize = width2 * height2;
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in1u = in1 + lumsize;
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in1v = in1u + chromsize;
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in2u = in2 + lumsize;
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in2v = in2u + chromsize;
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outu = out + lumsize;
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outv = outu + chromsize;
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for (i = 0; i < height; i++) {
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for (j = 0; j < width; j++) {
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mask = in3[i * width + j];
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out[i * width + j] = ((in1[i * width + j] * mask) +
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(in2[i * width + j] * (255 - mask))) >> 8;
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}
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}
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for (i = 0; i < height / 2; i++) {
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for (j = 0; j < width / 2; j++) {
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mask =
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(in3[(i * 2) * width + (j * 2)] + in3[(i * 2 + 1) * width + (j * 2)] +
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in3[(i * 2) * width + (j * 2 + 1)] + in3[(i * 2 + 1) * width +
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(j * 2 + 1)]) / 4;
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outu[i * width2 + j] =
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((in1u[i * width2 + j] * mask) + (in2u[i * width2 + j] * (255 -
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mask))) >> 8;
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outv[i * width2 + j] =
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((in1v[i * width2 + j] * mask) + (in2v[i * width2 + j] * (255 -
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mask))) >> 8;
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}
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}
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}
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static void
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gst_overlay_loop (GstElement * element)
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{
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GstOverlay *overlay;
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GstBuffer *out;
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GstBuffer *in1 = NULL, *in2 = NULL, *in3 = NULL;
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int size;
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overlay = GST_OVERLAY (element);
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in1 = GST_BUFFER (gst_pad_pull (overlay->sinkpad1));
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if (GST_IS_EVENT (in1)) {
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gst_pad_push (overlay->srcpad, GST_DATA (in1));
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/* FIXME */
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return;
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}
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in2 = GST_BUFFER (gst_pad_pull (overlay->sinkpad2));
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if (GST_IS_EVENT (in2)) {
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gst_pad_push (overlay->srcpad, GST_DATA (in2));
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/* FIXME */
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return;
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}
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in3 = GST_BUFFER (gst_pad_pull (overlay->sinkpad3));
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if (GST_IS_EVENT (in3)) {
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gst_pad_push (overlay->srcpad, GST_DATA (in3));
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/* FIXME */
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return;
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}
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g_return_if_fail (in1 != NULL);
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g_return_if_fail (in2 != NULL);
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g_return_if_fail (in3 != NULL);
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size = (overlay->width * overlay->height * 3) / 2;
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g_return_if_fail (GST_BUFFER_SIZE (in1) != size);
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g_return_if_fail (GST_BUFFER_SIZE (in2) != size);
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g_return_if_fail (GST_BUFFER_SIZE (in3) != size);
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out = gst_buffer_new_and_alloc (size);
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gst_overlay_blend_i420 (GST_BUFFER_DATA (out),
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GST_BUFFER_DATA (in1),
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GST_BUFFER_DATA (in2),
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GST_BUFFER_DATA (in3), overlay->width, overlay->height);
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GST_BUFFER_TIMESTAMP (out) = GST_BUFFER_TIMESTAMP (in1);
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GST_BUFFER_DURATION (out) = GST_BUFFER_DURATION (in1);
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gst_buffer_unref (in1);
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gst_buffer_unref (in2);
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gst_buffer_unref (in3);
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gst_pad_push (overlay->srcpad, GST_DATA (out));
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}
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static void
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gst_overlay_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstOverlay *overlay;
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overlay = GST_OVERLAY (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_overlay_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstOverlay *overlay;
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overlay = GST_OVERLAY (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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return gst_element_register (plugin, "overlay",
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GST_RANK_NONE, GST_TYPE_OVERLAY);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"overlay",
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"Overlay multiple video streams",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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